For problems 9-11 use 
. Use interval notation to represent the domain and range.
A. domain 
, range 
B. domain 
, range 
C. domain 
, range 
D. domain 
, range 
E. None of these
Answer: B
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Solve the problem.A guy wire to a tower makes a 67° angle with level ground. At a point 33 ft farther from the tower than the wire but on the same side of the base as the wire, the angle of elevation to the top of the pole is 38°. Find the wire length (to the nearest foot).
A. 47 ft B. 89 ft C. 84 ft D. 42 ft
In the problem, t is a real number and P = (x, y) is the point on the unit circle that corresponds to t. Find the exact value of the indicated trigonometric function of t.(- 
, - 
)Find sin t.
A. - 
B. - 
C. 
D. - 
Find the equation of the tangent line at the given value of x on the curve.xy + x = 2, x = 1
A. y = - 
x + 
B. y = 2x - 1
C. y = 
x + 
D. y = -2x + 3
Find all cube roots of the complex number. Leave answers in trigonometric form.-125i
A. 5 cis 90°, 5 cis °210, 5 cis 330° B. 5 cis 30°, 5 cis °60, 5 cis 90° C. 5 cis 90°, 5 cis °180, 5 cis 270° D. 5 cis °210, , 5 cis 270°, 5 cis 330°